PCMag: According to mobile analytics firm Flurry, iOS and Android downloads for the week of Dec. 25 to Dec. 31 hit 1.2 billion. "The final week of the year, between Christmas and New Year's Day, grew by 60 percent over the early-December baseline, historically punching through the billion download barrier for the first time ever to deliver 1.2 billion downloads," said a company blog.

About half of those downloads (509 million) were delivered to the United States. The rest of the countries in the top five for downloads were China (99 million), the U.K. (81 million), Canada (41 million), Germany (40 million) and France (40 million).